Nathan bradley iiigbie



(No Model.)

N. B. HIGBIE." GRAIN CLEANER OR OAT SIFTING MACHINE. No. 493,429. Patented Mar. 14, 1893.

7%??iaassza tion and rapidity Orstr'aws, orfother thipgsgoff greater] 'dim'eli' NITED STATES NATHAN BRADLEY IIIG PATENT OFFICE,

BIE, OFOHICAGO, ILLINOIS.

GRAIN-CLEANER OR OAT-SIFTI'NG MACHINE.

SPECIF CAIION forming part of Letters Patent No; 493,429, dated March 14. 1893. Application filed May 23, 1892. Serial No. 434j034. (No modeL) To aZZ'whom' it may concern: v p Be itknown thatl NATHANBRADLEY HIG- BIE, a citizen of the United States, vresidi-tig at Ghicago, in the cou n'tyof (300k and State'of Illinois; have iriventeda-ne'w and useful Improvement in Grain-Cleaners. of which the'following is a fi llfcleamand exact description. My invention i'elates toan improvement in the class of grain-cleaners which employ a series of perforatedsurfaces, the openings in. whic'hforbid the passage of the grain while"- they permit/the passage ofitheidust ahd other lmpurities; and "my invention has for' it's ob ject to pxtodu'cea grain-cleaner of this general; class which shall be more perfect and 'inore rapid in operation} and which besides ca.us-" ing the separation from thefgrain of'fin'efi-i'me purities shallserve also to separate therefrom the coarser iln'pl'lrities' sheli as hay, Lu'nipsof clay, &c.,iand -ih prodqcir gsuch a device (3011- tributemateirially totjhe ecopomy'of construe-1 and lp'erfectnes's of operatiom I N Q i v vTo these ehdsyin y in'ventio'ri consists in agrain-cle'aner comprisiaga vertically arranged 3 case, which constitutes the dustgeceivei ,-the upper? end of which is partlyic-l' 'sed by an int-:1 clined lidl, having at its'lowegen'd the controlj lable valve 'cjon 'monin such devices. for the, admission of the grail; g Below the point of admitting the grain are provided fdowpwal d extending'wires'ai-rangedin-seris side'by side and such a .distance' apart as to permit the pas- 1 'sageof the grairiga id-fhateiiialjbf lessdimension whi1e1p 'event'in'g the'pas'sage otl 'ip iisof (s ay,

sion. "Below the inclined separator, afici'de'fd by the wiresair'an'ged as describedg'isiocatjedg a seriesof alternateftables and sievesari'anged in pairsoppositely divergih gand converging, respectively, each tablepoiniprising-an. u per and lowel plate, the; space bet-weeh-which'af l, fordsv a passage for; the dowhf 'vahdlyi movi'zig grain. These parts are" arranged 'sub'st'ahj tiallyas hereinafter described, Twhei'ebyper" feet freedom" of: downward movement isasgsured in the grain, .the sifted particles are caused to be deliveredfi'uto:thedust;c011eetoi and the cleansedugi'airij to the chute f0f'rremovalfi omthe device. 3 1 My invel tioiijalsoconsists "in thedet'ai'lsief construction andarrange'mentof parts, aIL as hereinafter mere-f illy set foithl i, In the di'a'vvin gsf Fi gui'e .,1;,is a vertical cen line 'A B,"Fig. 1..

'1' door oi- (valve .gest' neishb'or is found associated ,th rough thedoor d e o jw i h Ithe lower eii-d i's j oined' toithe oppositely, ine11 Lied: plate '18- extending/from side to side of f the -case. I tin'ues in'gthej foi 'm of a vertical dowli-wa'rd ex;

Ihefsamefroin' the from passing beyond the opeiiing by the ver- H Immediately. below the 'plates 18 a'nd18' I tital'se'ctioh taken thioughfa graimcleaner in- ,v'olving 'my iinpi oved construction. Fig. 2 is a horizontal section "taken on the irregular -Ei-g. 3'i's a horizontal sectional viewt'ak'e'ii on the'il regulai lineO, D., jfE-ig'. 1; and Fig. 4 *isa horizontalsectional view taken o itthe lihe E F','Fig. 1.

:per'e'nd in the flaring r'eceptacle shown, and having its 'upperv'eiid partlvclosd by a pervwhich extendsfrom'one side vnearly to the other'of the case. [The opening thus leftisclosed int-he: usual manner by a 0: comprising a pivoted angle plate adaptedlto be turnedyoni-ts pivot with an ai ni'and cord; as illustrated in- Fig. 1. Extendiug infa downwardly-inclined directioz' acrossthe case from a poi-ht contiguous to'the dooi atythe upper-"end to asuitable support in' the form Lot'- aboard at the lower endpf the iziciin'e are parallel wires, M M and M", sovarlangedl'wi th relation'lto eachio'thel that thefsjpace-between any wire and its neargreaterthah the dimension of fthegi ains-intepded to he, cleaned,=a1id I less "than .thatiof' thei coanser impurities usually with the grain.; The intro du'ce'd'graim'iipon opening" the doorw, falls produced 'by the wires M, Y

falling "through while the eoars'erimpurit'ies collectatthe lower end-fin Tithefpocket 'Psojtha'fi they maybe removed 0.} Substantially. parallel with the wires M aqdiarranged beieiwthesame itsa" wire sci'eeii; R the upperfle z d a d lateral are"-jo.ined to" the-vcase while .The lower endj of the p1ate"1'8contension", the purposecf, Whichiwill. be presently described Also ara-1191 to the in'clined i'irthe opposite direction I to ther pglate 18 'is a p1ate =1'8 ,"'which 'atiiits upper end .is. provided qwith thelvertic'al extension- ,shOWn'zin'jFig; 1,: and at -itsiOwer endfwiththe'jdoivnwardkexe tension"therer showiiiand'the; iipperends I of ithedplate 18 and 18' tical 'e'x'tension of the plate 18'.

are similar -plates' I arflt cpal ated :t'o' afforda passage 10 for thegrain whichfpasses through sieve R andis preventedcase terminating in its upit e 15 and 15" which diverge downwardly from a common point at about the middle of the opening 10, and terminate at their lower extremity atia point away from .theJdownward Y 5 extension of the plates 18 and 18, thus adording at the lower end a passage .for the egress of the grain passing through the chute atforded'by the plates 18, 18', and '15} These plates constitute what I have hereinbefore termed the tables, and their purpose is to receive respectively the finer particles sifted through the sieve R, and the grains passing downward along said sieve together with such impurities as were 'not sifted. out; Ber5 low the tables 18, 18'*an'd 15, 15' and simi-- larlyx supported in the case isano'ther pair of tables similarly arranged toihose described and in all essentialrespects'identicalin construction, except that the upward extension of the pla'telS is not'repeated. These plates numbered, respectively, 1 9, and19', 16 and 16' produce the "opening 20 j and chutes 20' and 20", which correspond with the opening :10 and chutes 10. and 10"; Below these last :5 mentioned tables and in all respects identical- -in construction are thetables 25, 17,17

. providing the -opening and chutes '30 ,30'

i Below each pair of tablesand leading from the lower-edge of each to the inner upper 3o'fedge or the: next below are .oppositely incli'ned sieves 12,12','13, 13' and 14,14, the

last named pair of' which are connected at; .their lower endsto the opposite walls of a. chute N leading outward from the case. The case is provided "toward its lowerend, above the bottom 23 with a door Q,jthrough which.

' access "may'fbe hadto the interior forremoving thedeposited dust ,andfiuor impurities. i In operationon opening the doormfthead omitte'd grain falls uponthe wire screens made a? up ofthe; parallel wires M, M, and M which retain the coarser particles; which are collected in the pocket P and permit the falling. of the grain and finer impurities upon. the sieve'B. From this sieve the grain passes to g .the tables 15, 15' which oifer no obstruction @to its onward .movement,but,-by reason of itheii-inclination, give to the grain an accel- ,eratedimpetus, so that when the latter is di soflrected upon the sieves 12, 12- -the finer pan 1; 'ticles' ,aregmore readilylseparamd to pass coarser. and liner impurities;

interfering with the freedom of the move=' In testimony whereof I fall-into-thechamber and arecollected at the-1 bottom.23 thereof; v 1

The number of sieves and tables may be varied accordingto the requirements-andconditions involved.

' The apparatus constructed is found tube substantially perfect in its results for cleaning oats and removing therefrom. both the The characteristic advantage of the-cleaner constructed as, herein described is 'largely75 dueto the rapi'ditywith which the grain-is permitted to pass through the same. Ample screening surface is provided with the proper inclination to cause the grains to descend and 'atthe same time to cause the finer particlesto escape; while the movement of the. v grain through the intermediate space where no material benefit from the useof screens is obtained, is permitted to take place with the utmost desirablerapidity, the efiectp'f operation, is to produce such a rapid dis-. 7 charge upon the next lower screen as materially't'o assist the act of'separation. The duplication of screening surfaces produces, of course, a mere duplication of the capacity of the apparatuajand as such, only, is not claimed; but in connection with the use of the wires M, M and M. and the pocket P which receives the larger particles deposited thereon, -a decided economy results from such duplication. It will be at once appar-' out that to collect :the coarse particles. falling along the wires M, M and M", without ment of thegrain, ;necessi-tates an 'elongationofi this partgot the apparatus and hence I ofthe casegrand as sueh increased -dimenquite obvious that-com- I i;fo hid',,the provision of a double'seto -80160I1Svfl11d tables.

So far asI am aware, the device here produced is the'first'which successfully provides for the rapid and slightly interrupted move I ment of the grain tothe full capacity of the r to admitting chute with substantially perfect cleansing and withoutclogging.

What I claim as new, and desire to secure. by Letters Patent, is-

A grain cleanercompr singin' combination, the 0836 L having the doors 0, Q, and

provided with the .lid G and door 0:, downwardly-inclined screen wires M, M, M" pro-.

ducing the pocket at the lower end thereof, 1 screens "R, 12, 12-, 13, 13, and 14,14 con- 12o verging ina downward direction toward the center of the casearranged' in series, .chutes' '10, 1043-20, 20", 30", 30", and the upper and lower downwardly-diverging plates or tables, producing the same, and-the chute N, substantiallyas set'forth.

y have affixed my signature in presenceiof two witnesses.

NATHAN BRADLEY HIGBIE. Witnesses: p I PHIL]? LARMON,

. AXEL JomvsoN.

85. which besides increasing the speed of they ros' 

